Onsen Tamago

User Reviews

5

10 reviews
Excellent
  • Cook Time

    25 mins

  • Total Time

    25 mins

  • Servings

    5 eggs

  • Calories

    69 kcal

  • Course

    Breakfast

  • Cuisine

    Japanese

Onsen Tamago

Onsen Tamago is a softly cooked Japanese-style hot spring egg featuring a silky egg white and a runny yolk, typically served in dashi-based sauce and garnished with scallions. This recipe uses a rice cooker warming function to gently cook eggs at a controlled temperature, yielding consistent results similar to traditional onsen cooking.

Description

The dish involves placing eggs in a mix of boiling and room temperature water inside a rice cooker set to its warming function for 20 minutes, gently cooking the eggs to a custard-like texture. Meanwhile, a dashi sauce is prepared by simmering dashi stock with soy sauce, salt, and cane sugar, then cooled. After cooking, the eggs are put into cold water to stop cooking, cracked open gently into bowls, and served drizzled with the dashi sauce and optional chopped scallions for garnish.

This preparation yields tender eggs with loosely set whites and creamy yolks, complemented by the savory, slightly sweet dashi sauce enhancing the natural flavor of the eggs. The recipe mentions there are alternate methods referenced in the headnotes but focuses on the rice cooker method for ease and consistency.

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Ingredients

Servings

For hot spring eggs

  • 5 egg
  • scallions (optional, chopped for garnish)

For dashi sauce

  • ½ cup dashi stock
  • 1 teaspoon soy sauce
  • ½ teaspoon salt
  • ½ teaspoon cane sugar evaporated

Instructions

  1. Add 5 US cups of boiling water plus 1 ½ cups of room temperature water to a rice cooker.
  2. Add 5 eggs to the hot water and close the lid. Turn on the rice cooker's warming function and set a timer for 20 minutes.
  3. While you wait for the hot spring eggs to cook, add the ½ cup dashi stock, 1 teaspoon soy sauce, ½ teaspoon salt and ½ teaspoon evaporated cane sugar to a small saucepan and bring the mixture to a boil. Once the salt and sugar have dissolved, turn off the heat and let the sauce cool.
  4. Once the timer goes off, transfer the eggs to a cold water bath to stop the cooking.
  5. Crack the chilled eggs on a flat surface and gently break the Onsen Tamago into a small bowl. Serve drizzled with a small amount of dashi sauce and garnish with scallions.

Notes

  • Alternative methods for making hot spring eggs are described in the recipe headnotes.
  • Using a rice cooker warming function allows consistent, hands-off cooking for soft, silky eggs.

Nutrition Information

Show Details
Calories 69kcal (3%) Carbohydrates 1g (0%) Protein 6g (12%) Fat 4g (6%) Saturated Fat 1g (5%) Polyunsaturated Fat 1g (6%) Monounsaturated Fat 2g (10%) Trans Fat 0.02g (1%) Cholesterol 164mg (55%) Sodium 440mg (18%) Potassium 84mg (2%) Fiber 0.01g (0%) Sugar 1g (2%) Vitamin A 239IU (5%) Calcium 32mg (3%) Iron 1mg (6%)

Nutrition Facts

Serving: 5eggs

Amount Per Serving

Calories 69 kcal

% Daily Value*

Calories 69kcal 3%
Carbohydrates 1g 0%
Protein 6g 12%
Fat 4g 6%
Saturated Fat 1g 5%
Polyunsaturated Fat 1g 6%
Monounsaturated Fat 2g 10%
Trans Fat 0.02g 1%
Cholesterol 164mg 55%
Sodium 440mg 18%
Potassium 84mg 2%
Fiber 0.01g 0%
Sugar 1g 2%
Vitamin A 239IU 5%
Calcium 32mg 3%
Iron 1mg 6%

* Percent Daily Values are based on a 2,000 calorie diet.

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